stephen garner with new york met think of the hospital and with me now. good morning, doc. good to see you. hear is the image, though us what you think should be focused on. >> hear is the big guy. he towers over the little guy. what he does he punches with his arms and knees. here is his knees and this guy's niece. look like he is punching him. bill: i have a question for you. this is pretty obvious at home. here is one. and here is the other, all right? just down here, this is where the knees are knocking right? over here and there. >> the placenta down here with the sharing. they're getting their knewtics from the same source. they're developed blood cells sending all the blood to big guy and that is why he is little. bill: is there evidence there are fighting. >> you think that but making it up in your mind. looks like people are fighting. getting a straighted could be by mri noise itself. when something hits one of them they started and start to do like this. we see that when we do ultrasounds all the time. the baby doesn't like the sound. bill: you have a book in your